【摘要】：通過(guò)OM、SEM、TEM及EDS,研究了P92鋼在不同熱處理?xiàng)l件下的微觀組織,采用洛氏硬度計(jì)測(cè)量了不同熱處理狀態(tài)下材料的洛氏硬度。結(jié)果表明:P92鋼在1050℃淬火、正火得到的組織均是馬氏體+殘留奧氏體+碳化物,硬度平均值約為41.34 HRC。760℃等溫退火得到組織為鐵素體+珠光體,硬度平均值約為11.56 HRC。淬火后200、400、760℃回火得到的組織分別為回火馬氏體,回火馬氏體+回火托氏體,回火托氏體。對(duì)應(yīng)的硬度平均值分別為30.90、26.92、23.75 HRC。
[Abstract]:The microstructure of P92 steel under different heat treatment conditions was studied by TEM and EDS. Rockwell hardness was measured by Rockwell hardness meter. The results show that the microstructure of WP92 steel quenched at 1050 鈩，

本文編號(hào)：2145616